Hi,
I "just quickly" wanted to update from 20.6 to 20.6.1 and messed up my system (Win10)
During install I noticed that I had forgotten to close PT, so I did that which resulted in a BSOD. After reboot I tried to install/deinstall (installer and Windows app settings) but always get error 1721 (see attached image). I found another thread where someone had this problem, but he was able to deinstall using Windows app settings, wich unfortunately didn't work for me. Maybe some files got corrupted during the crash?